İzmir Matematik Günleri (IMG 2025, National), 11--12 September 2025, Ege University,İzmir, Turkey
Yüksek mertebe doğrusal dinamik denklemlerin genel teorisi
34. Ulusal Matematik Sempozyumu (UMS 34, National), 31 August--03 September 2022, Dokuz Eylül University,İzmir, Turkey
International Conference on Mathematics and Mathematics Education (ICMME 2019, International), 11--13 July 2019, Selçuk University, Konya, Turkey
Oscillation of partial difference equations compared with ordinary difference equations
24th International Conference on Difference Equations and Applications (ICDEA 2018, International), 21--25 May 2018, Technische Universität Dresden, Dresden, Germany
Sharp conditions for oscillation and nonoscillation of neutral difference equations [PDF]
13. Ankara Matematik Günleri (AMG 2018, National), 26--27 April 2018, TOBB ETU, Ankara, Turkey
Oscillation of second-order linear differential equations (Plenary Speaker) [PDF]
National Mathematics Symposium (UMS 2017, National), 06--09 September 2017, Atilim University, Ankara, Turkey
On Ladas' disproved conjecture [PDF]
The 8th International Workshop on Differential Equations and Applications (WDEA 2017, International), 02--04 June 2017, Dokuz Eylul University, Kusadasi, Aydin, Turkey
On Ladas' disproved conjecture [PDF]
Mini-Workshop on Quantum Calculus and Applications (QCA 2016, International), 23 December 2016, Izmir Institute of Technology, Izmir, Turkey
3. Kadın Matematikçiler Çalıştayı (National), 27--29 May 2016, Dokuz Eylul University & TKMD, Izmir, Turkey
International Conference on Mathematics and Mathematics Education (ICMME 2016, International), 12--14 May 2016, Firat University & MatDer, Elazig, Turkey
Lower-limit and upper-limit conditions for oscillation and stability of first-order delay differential and difference equations (Plenary Speaker) [PDF]
Genç Matematikçiler Toplantısı (GMT 2015, National), 14--18 September 2015, Turkish Math Society & Sabanci University, Istanbul, Turkey
Asymptotic behaviour of solutions of dynamic equations on time scales [PDF]
The 7th International Workshop on Differential Equations and Applications (WDEA 2015, International), 28--31 July 2015, Yasar University, Izmir, Turkey
Analiticity of the time scales exponential function [PDF]
14th International Workshop on Dynamical Systems and Applications (IWDSA 2015, International), 29 June 2015, Gazi University, Ankara, Turkey
On global asymptotic stability of nonlinear higher-order difference equations [PDF]
10. Ankara Matematik Günleri (AMG 10, National), 11-12 June 2015, METU, Ankara, Turkey
Cauchy-Peano theorem for dynamic equations [PDF]
Haftalık Seminerler (National), 01 April 2015, IUE, İzmir, Turkey
A Survey: $\liminf$ and $\limsup$ conditions for oscillation of delay equations [PDF]
Dinamik Sistemler Seminerleri (DSS, National), 01 March 2014, METU, Ankara, Turkey
Frobenious method for second-order linear differential equations
Dinamik Sistemler Seminerleri (DSS, National), 11 January 2014, METU, Ankara, Turkey
Dinamik Sistemler Seminerleri (DSS, National), 28 December 2013, METU, Ankara, Turkey
Dinamik Sistemler Seminerleri (DSS, National), 30 November 2013, METU, Ankara, Turkey
Dinamik Sistemler Seminerleri (DSS, National), 16 November 2013, METU, Ankara, Turkey
A Survey: $\liminf$ and $\limsup$ conditions for oscillation of delay equations [PDF]
Dinamik Sistemler Seminerleri (DSS, National), 02 November 2013, METU, Ankara, Turkey
12th International Workshop on Dynamical Systems and Applications (IWDSA 2013, International), 12--15 August 2013, Atilim University, Ankara, Turkey
Uniform exponential stability of delay dynamic equations [PDF]
Anatolian Communications in Nonlinear Analysis (ANCNA 2013, International), 03--06 July 2013, Abant Izzat Baysal University, Bolu, Turkey
Volterra integral equations on time scales [PDF]
8. Ankara Matematik Günleri (AMG 8, National), 13-14 June 2013, Cankaya University, Ankara, Turkey
Sharp conditions for the complex time scale exponential tend to zero [PDF]
11. Matematik Sempozyumu - Anadolu'da Matematik (National), 19--21 September 2012, OMU, Samsun, Turkey
International Conference: The 6th Dynamical Systems and Applications - 2010 (DSA 2010, International), 10--14 July 2010, Antalya, Turkey
Existence and uniqueness of solutions to systems of delay dynamic equations on time scales [PDF]
5. Ankara Matematik Günleri (AMG 5, National), 03-04 June 2010, TOBB ETU, Ankara, Turkey
A Survey on the oscillation of delay difference equations with positive and negative coefficients [PDF]
Dinamik Sistemler Seminerleri (DSS, National), 12 December 2009, METU, Ankara, Turkey
Dinamik Sistemler Seminerleri (DSS, National), 21 November 2009, METU, Ankara, Turkey
Dinamik Sistemler Seminerleri (DSS, National), 07 November 2009, METU, Ankara, Turkey
Professor Agarwal's visit to METU (TUBITAK's Scientist Support Program), 10 August 2009, METU, Ankara, Turkey
Professor Agarwal's visit to ESOGU (TUBITAK's Scientist Support Program), 07 August 2009, Eskisehir Osmangazi Unv., Eskisehir, Turkey
Professor Agarwal's visit to METU (TUBITAK's Scientist Support Program), 06 August 2009, METU, Ankara, Turkey
Professor Agarwal's visit to METU (TUBITAK's Scientist Support Program), 03 August 2009, METU, Ankara, Turkey
Professor Agarwal's visit to METU (TUBITAK's Scientist Support Program), 31 July 2009, METU, Ankara, Turkey
9. Dinamik Sistemler Calistayi (National), 18--19 June 2009, Izmir University, Izmir, Turkey
Dinamik Sistemler Seminerleri (DSS, National), 07 June 2009, METU, Ankara, Turkey
Dinamik Sistemler Seminerleri (DSS, National), 23 March 2009, METU, Ankara, Turkey
Dinamik Sistemler Seminerleri (DSS, National), 09 March 2009, METU, Ankara, Turkey
A survey on the oscillation of first-order difference equations with positive and negative coefficients
Dinamik Sistemler Seminerleri (DSS, National), 25 April 2009, METU, Ankara, Turkey
Fark Denklem Seminerleri 8 (FDS, National), 12 April 2009, Osmangazi University, Eskisehir, Turkey
Dinamik Sistemler Seminerleri (DSS, National), 21 March 2009, METU, Ankara, Turkey
Dinamik Sistemler Seminerleri (DSS, National), 07 March 2009, METU, Ankara, Turkey
Dinamik Sistemler Seminerleri (DSS, National), 28 February 2009, METU, Ankara, Turkey
Fark Denklem Seminerleri 7 (FDS, National), 30 January 2009, Afyon Kocatepe University, Afyonkarahisar, Turkey
Dinamik Sistemler Seminerleri (DSS, National), 27 December 2008, METU, Ankara, Turkey
Asymptotic behavior of bounded solutions of forced nonlinear higher-order neutral dynamic equations [PDF]
Dinamik Sistemler Seminerleri (DSS, National), 29 November 2008, METU, Ankara, Turkey
Dinamik Sistemler Seminerleri (DSS, National), 22 November 2008, METU, Ankara, Turkey
Dinamik Sistemler Seminerleri (DSS, National), 01 November 2008, METU, Ankara, Turkey
Fark Denklem Seminerleri 6 (FDS, National), 25 October 2008, Gazi University, Ankara, Turkey
The 14th International Conference on Difference Equations and Applications (ICDEA 2008, International), 21--25 July 2008, Bahcesehir University, Istanbul, Turkey
Iterated oscillation criteria for delay dynamic equations of first order [PDF]
8. Diferensiyel Denklemler Calistayi (National), 19--21 May 2008, Yeditepe University, Istanbul, Turkey
Necessary and sufficient conditions on the asymptotic behaviour of solutions of forced neutral delay dynamic equations
Ankara Differensiyel Denklemler Seminerleri (ADES, National), 12 April 2008, METU, Ankara, Turkey
Oscillation of delay differential equations on time scales
Workshop on Differential Equations and Applications (National), 22--23 March 2008, Pamukkale University, Denizli, Turkey
Fark Denklem Seminerleri 4 (FDS, National), 10 March 2008, Selcuk University, Konya, Turkey
Fark Denklem Seminerleri 3 (FDS, National), 02 February 2008, TOBB University, Ankara, Turkey
Ankara Differensiyel Denklemler Seminerleri (ADES, National), 12 January 2008, METU, Ankara, Turkey
Ankara Differensiyel Denklemler Seminerleri (ADES, National), 29 December 2007, METU, Ankara, Turkey
Oscillation of neutral integro-differential equations with distributed deviating arguments
Fark Denklem Seminerleri 2 (FDS, National), 15 December 2007, Afyon Kocatepe University, Afyonkarahisar, Turkey
Fark Denklem Seminerleri 1 (FDS, National), 10 November 2007, Selcuk University, Konya, Turkey
Oscillation criteria for a class of second-order neutral delay differential equations
6th International Society for Analysis, its Applications and Computation (ISAAC 2007, International), 13--18 August 2007, METU, Ankara, Turkey
International Conference: 2007 - Dynamical Systems and Applications (DSA 2007, International), 01--06 July 2007, Izmir, Turkey
Comparison theorems on oscillatory nature of higher order difference equations with continuous variables